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Clinical and Applied Thrombosis/Hemostasis
Year: 2010  |  Volume: 16  |  Issue: 5  |  Page No.: 579 - 583

Association of Interaction Between Smoking and CYP 2C19*3 Polymorphism With Coronary Artery Disease in a Uighur Population

Y. N Yang, X. L Wang, Y. T Ma, X Xie, Z. Y Fu, X. M Li, B. D Chen and F. Liu    

Abstract:

Objectives: Cytochrome P450 (CYP) 2C19 is expressed in vascular endothelium and metabolizes arachidonic acid to biologically active epoxyeicosatrienoic acids (EETs), which are potent endogenous vasodilators and inhibitors of vascular inflammation. The purpose of this study is to explore the relationship between the interaction of CYP2C19*3 polymorphism and smoking and coronary artery disease (CAD) in a Uighur population. Methods: In a Chinese Uighur case-control study of patients with CAD (n = 336) and healthy controls (n = 370), we investigated the roles of polymorphism in the CYP2C19 gene by the use of polymerase chain reaction restriction fragment length polymorphism (PCR-RFLP) analysis. Results: The CYP2C19*3 AG + AA genotype was significantly more prevalent in patients with CAD (6.25.0% vs 2.96%; P = .03). Multiple logistic regression analysis showed 4 independent risk factors: the interaction of CYP2C19*3 and smoking (OR 7.22, 95% confidence interval [CI] 2.32-10.23; P = .009), smoking (OR 3.23, 95% CI 1.72-5.44; P = .003), blood sugar (OR 2.12, 95% CI 1.03-4.21; P < .01), and hypertension (OR 1.74, 95% CI 0.98-2.34; P = .013). Conclusions: The CYP2C19*3 polymorphism and CAD were synergistically and significantly associated in Chinese Uighur patients.

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